HG/T 20627-2009: Non-metallic flat gaskets for use with steel pipe flanges (Class designated)

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Scope

This standard specifies the type, dimension and technical requirements of non-metallic
flat gaskets (with insertion or without insertion) for use with steel pipe flanges.
This standard is applicable to the non-metallic flat gaskets for use with steel pipe flanges
whose nominal pressures from C1assl50 (PN20)-C1ass600 (PN110) are specified in HG/T
20615 and HG/T 20623.
Note. As for the use of the gaskets in which contain the material of asbestos, it shall meet the requirements of the relevant
laws and regulations. If the aforesaid gaskets are used, the protective measures shall be adopted to prevent man from damaging.

Basic Data

Standard ID	HG/T 20627-2009 (HG/T20627-2009)
Description (Translated English)	Non-metallic flat gaskets for use with steel pipe flanges (Class designated)
Sector / Industry	Chemical Industry Standard (Recommended)
Classification of Chinese Standard	J15
Classification of International Standard	23.040.60
Word Count Estimation	14,191
Date of Issue	2009-02-05
Date of Implementation	2009-07-01
Older Standard (superseded by this standard)	HG 20627-1997; HG 20629-1997
Quoted Standard	GB/T 528; GB/T 539; GB/T 3280; GB/T 3985; HG/T 20615; HG/T 20623; HG/T 20635; JB/T 6613; JB/T 6628; JB/T 7758.2; QB/T 3625-1999
Regulation (derived from)	Engineering [ 2009 ] No. 27
Issuing agency(ies)	Ministry of Industry and Information Technology
Summary	This standard specifies the steel pipe flanges (Class Series) with a non-metallic flat gaskets (with inserts or no inserts) the type, size and technical requirements. This standard applies to HG/T 20615, , HG/T 20623 specified nominal Class150 (PN20) ~ Class600 (PN110) steel pipe flanges with metallic flat gaskets.